linux-kernel - [PATCH V8 1/9] mmc: sdhci: Add version V4 definition

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Date:   Thu, 30 Aug 2018 16:21:37 +0800
From:   Chunyan Zhang <zhang.chunyan@...aro.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...aro.org>,
        Billows Wu <billows.wu@...soc.com>,
        Jason Wu <jason.wu@...soc.com>,
        Chunyan Zhang <chunyan.zhang@...soc.com>,
        Chunyan Zhang <zhang.lyra@...il.com>
Subject: [PATCH V8 1/9] mmc: sdhci: Add version V4 definition

Added definitions for v400, v410, v420.

Signed-off-by: Chunyan Zhang <zhang.chunyan@...aro.org>
Acked-by: Adrian Hunter <adrian.hunter@...el.com>
---
 drivers/mmc/host/sdhci.c | 2 +-
 drivers/mmc/host/sdhci.h | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 97e4efa..01bf88c 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3508,7 +3508,7 @@ int sdhci_setup_host(struct sdhci_host *host)
 
 	override_timeout_clk = host->timeout_clk;
 
-	if (host->version > SDHCI_SPEC_300) {
+	if (host->version > SDHCI_SPEC_420) {
 		pr_err("%s: Unknown controller version (%d). You may experience problems.\n",
 		       mmc_hostname(mmc), host->version);
 	}
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 732d82f..dbd48a8 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -270,6 +270,9 @@
 #define   SDHCI_SPEC_100	0
 #define   SDHCI_SPEC_200	1
 #define   SDHCI_SPEC_300	2
+#define   SDHCI_SPEC_400	3
+#define   SDHCI_SPEC_410	4
+#define   SDHCI_SPEC_420	5
 
 /*
  * End of controller registers.
-- 
2.7.4